1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_AGGR_IMPL_H 27 #define _SYS_AGGR_IMPL_H 28 29 #include <sys/types.h> 30 #include <sys/mac.h> 31 #include <sys/mac_ether.h> 32 #include <sys/aggr_lacp.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 #ifdef _KERNEL 39 40 #define AGGR_MINOR_CTL 1 /* control interface minor */ 41 42 /* flags for aggr_grp_modify() */ 43 #define AGGR_MODIFY_POLICY 0x01 44 #define AGGR_MODIFY_MAC 0x02 45 #define AGGR_MODIFY_LACP_MODE 0x04 46 #define AGGR_MODIFY_LACP_TIMER 0x08 47 48 /* 49 * A link aggregation MAC port. 50 * Note that lp_next is protected by the lg_lock of the group the 51 * port is part of. 52 */ 53 typedef struct aggr_port_s { 54 struct aggr_port_s *lp_next; 55 struct aggr_grp_s *lp_grp; /* back ptr to group */ 56 datalink_id_t lp_linkid; 57 uint16_t lp_portid; 58 uint8_t lp_addr[ETHERADDRL]; /* port MAC address */ 59 uint32_t lp_refs; /* refcount */ 60 aggr_port_state_t lp_state; 61 uint32_t lp_started : 1, 62 lp_tx_enabled : 1, 63 lp_collector_enabled : 1, 64 lp_promisc_on : 1, 65 lp_no_link_update : 1, 66 lp_pad_bits : 27; 67 uint32_t lp_closing; 68 mac_handle_t lp_mh; 69 const mac_info_t *lp_mip; 70 mac_notify_handle_t lp_mnh; 71 mac_rx_handle_t lp_mrh; 72 krwlock_t lp_lock; 73 uint_t lp_tx_idx; /* idx in group's tx array */ 74 uint64_t lp_ifspeed; 75 link_state_t lp_link_state; 76 link_duplex_t lp_link_duplex; 77 uint64_t lp_stat[MAC_NSTAT]; 78 uint64_t lp_ether_stat[ETHER_NSTAT]; 79 aggr_lacp_port_t lp_lacp; /* LACP state */ 80 lacp_stats_t lp_lacp_stats; 81 const mac_txinfo_t *lp_txinfo; 82 uint32_t lp_margin; 83 } aggr_port_t; 84 85 typedef struct lg_mcst_addr_s lg_mcst_addr_t; 86 struct lg_mcst_addr_s { 87 lg_mcst_addr_t *lg_mcst_nextp; 88 uint8_t lg_mcst_addr[MAXMACADDRLEN]; 89 }; 90 91 /* 92 * A link aggregation group. 93 * 94 * The following per-group flags are defined: 95 * 96 * - lg_addr_fixed: set when the MAC address has been explicitely set 97 * when the group was created, or by a m_unicst_set() request. 98 * If this flag is not set, the MAC address of the group will be 99 * set to the first port that is added to the group. 100 * 101 * - lg_add_set: used only when lg_addr_fixed is not set. Captures whether 102 * the MAC address was initialized according to the members of the group. 103 * When set, the lg_port field points to the port from which the 104 * MAC address was initialized. 105 * 106 */ 107 typedef struct aggr_grp_s { 108 krwlock_t lg_lock; 109 datalink_id_t lg_linkid; 110 uint16_t lg_key; /* key (group port number) */ 111 uint32_t lg_refs; /* refcount */ 112 uint16_t lg_nports; /* number of MAC ports */ 113 uint8_t lg_addr[ETHERADDRL]; /* group MAC address */ 114 uint16_t 115 lg_closing : 1, 116 lg_addr_fixed : 1, /* fixed MAC address? */ 117 lg_started : 1, /* group started? */ 118 lg_promisc : 1, /* in promiscuous mode? */ 119 lg_gldv3_polling : 1, 120 lg_zcopy : 1, 121 lg_vlan : 1, 122 lg_force : 1, 123 lg_pad_bits : 8; 124 aggr_port_t *lg_ports; /* list of configured ports */ 125 aggr_port_t *lg_mac_addr_port; 126 mac_handle_t lg_mh; 127 uint_t lg_rx_resources; 128 uint_t lg_nattached_ports; 129 uint_t lg_ntx_ports; 130 aggr_port_t **lg_tx_ports; /* array of tx ports */ 131 uint_t lg_tx_ports_size; /* size of lg_tx_ports */ 132 uint32_t lg_tx_policy; /* outbound policy */ 133 uint64_t lg_ifspeed; 134 link_state_t lg_link_state; 135 link_duplex_t lg_link_duplex; 136 uint64_t lg_stat[MAC_NSTAT]; 137 uint64_t lg_ether_stat[ETHER_NSTAT]; 138 aggr_lacp_mode_t lg_lacp_mode; /* off, active, or passive */ 139 Agg_t aggr; /* 802.3ad data */ 140 uint32_t lg_hcksum_txflags; 141 uint_t lg_max_sdu; 142 uint32_t lg_margin; 143 lg_mcst_addr_t *lg_mcst_list; /* A list of multicast addresses */ 144 } aggr_grp_t; 145 146 #define AGGR_LACP_LOCK(grp) mutex_enter(&(grp)->aggr.gl_lock); 147 #define AGGR_LACP_UNLOCK(grp) mutex_exit(&(grp)->aggr.gl_lock); 148 #define AGGR_LACP_LOCK_HELD(grp) MUTEX_HELD(&(grp)->aggr.gl_lock) 149 150 #define AGGR_GRP_REFHOLD(grp) { \ 151 atomic_add_32(&(grp)->lg_refs, 1); \ 152 ASSERT((grp)->lg_refs != 0); \ 153 } 154 155 #define AGGR_GRP_REFRELE(grp) { \ 156 ASSERT((grp)->lg_refs != 0); \ 157 membar_exit(); \ 158 if (atomic_add_32_nv(&(grp)->lg_refs, -1) == 0) \ 159 aggr_grp_free(grp); \ 160 } 161 162 #define AGGR_PORT_REFHOLD(port) { \ 163 atomic_add_32(&(port)->lp_refs, 1); \ 164 ASSERT((port)->lp_refs != 0); \ 165 } 166 167 #define AGGR_PORT_REFRELE(port) { \ 168 ASSERT((port)->lp_refs != 0); \ 169 membar_exit(); \ 170 if (atomic_add_32_nv(&(port)->lp_refs, -1) == 0) \ 171 aggr_port_free(port); \ 172 } 173 174 extern dev_info_t *aggr_dip; 175 extern int aggr_ioc_init(void); 176 extern void aggr_ioc_fini(void); 177 178 typedef int (*aggr_grp_info_new_grp_fn_t)(void *, datalink_id_t, uint32_t, 179 uchar_t *, boolean_t, boolean_t, uint32_t, uint32_t, aggr_lacp_mode_t, 180 aggr_lacp_timer_t); 181 typedef int (*aggr_grp_info_new_port_fn_t)(void *, datalink_id_t, uchar_t *, 182 aggr_port_state_t, aggr_lacp_state_t *); 183 184 extern void aggr_grp_init(void); 185 extern void aggr_grp_fini(void); 186 extern int aggr_grp_create(datalink_id_t, uint32_t, uint_t, laioc_port_t *, 187 uint32_t, boolean_t, boolean_t, uchar_t *, aggr_lacp_mode_t, 188 aggr_lacp_timer_t); 189 extern int aggr_grp_delete(datalink_id_t); 190 extern void aggr_grp_free(aggr_grp_t *); 191 192 extern int aggr_grp_info(datalink_id_t, void *, aggr_grp_info_new_grp_fn_t, 193 aggr_grp_info_new_port_fn_t); 194 extern void aggr_grp_notify(aggr_grp_t *, uint32_t); 195 extern boolean_t aggr_grp_attach_port(aggr_grp_t *, aggr_port_t *); 196 extern boolean_t aggr_grp_detach_port(aggr_grp_t *, aggr_port_t *); 197 extern void aggr_grp_port_mac_changed(aggr_grp_t *, aggr_port_t *, 198 boolean_t *, boolean_t *); 199 extern int aggr_grp_add_ports(datalink_id_t, uint_t, boolean_t, 200 laioc_port_t *); 201 extern int aggr_grp_rem_ports(datalink_id_t, uint_t, laioc_port_t *); 202 extern boolean_t aggr_grp_update_ports_mac(aggr_grp_t *); 203 extern int aggr_grp_modify(datalink_id_t, aggr_grp_t *, uint8_t, uint32_t, 204 boolean_t, const uchar_t *, aggr_lacp_mode_t, aggr_lacp_timer_t); 205 extern void aggr_grp_multicst_port(aggr_port_t *, boolean_t); 206 extern uint_t aggr_grp_count(void); 207 208 extern void aggr_port_init(void); 209 extern void aggr_port_fini(void); 210 extern int aggr_port_create(const datalink_id_t, boolean_t, aggr_port_t **); 211 extern void aggr_port_delete(aggr_port_t *); 212 extern void aggr_port_free(aggr_port_t *); 213 extern int aggr_port_start(aggr_port_t *); 214 extern void aggr_port_stop(aggr_port_t *); 215 extern int aggr_port_promisc(aggr_port_t *, boolean_t); 216 extern int aggr_port_unicst(aggr_port_t *, uint8_t *); 217 extern int aggr_port_multicst(void *, boolean_t, const uint8_t *); 218 extern uint64_t aggr_port_stat(aggr_port_t *, uint_t); 219 extern boolean_t aggr_port_notify_link(aggr_grp_t *, aggr_port_t *, boolean_t); 220 extern void aggr_port_init_callbacks(aggr_port_t *); 221 222 extern void aggr_recv_cb(void *, mac_resource_handle_t, mblk_t *); 223 224 extern mblk_t *aggr_m_tx(void *, mblk_t *); 225 extern void aggr_send_port_enable(aggr_port_t *); 226 extern void aggr_send_port_disable(aggr_port_t *); 227 extern void aggr_send_update_policy(aggr_grp_t *, uint32_t); 228 229 extern void aggr_lacp_init(void); 230 extern void aggr_lacp_fini(void); 231 extern void aggr_lacp_init_port(aggr_port_t *); 232 extern void aggr_lacp_init_grp(aggr_grp_t *); 233 extern void aggr_lacp_set_mode(aggr_grp_t *, aggr_lacp_mode_t, 234 aggr_lacp_timer_t); 235 extern void aggr_lacp_update_mode(aggr_grp_t *, aggr_lacp_mode_t); 236 extern void aggr_lacp_update_timer(aggr_grp_t *, aggr_lacp_timer_t); 237 extern void aggr_lacp_rx(aggr_port_t *, mblk_t *); 238 extern void aggr_lacp_port_attached(aggr_port_t *); 239 extern void aggr_lacp_port_detached(aggr_port_t *); 240 extern void aggr_lacp_policy_changed(aggr_grp_t *); 241 242 #endif /* _KERNEL */ 243 244 #ifdef __cplusplus 245 } 246 #endif 247 248 #endif /* _SYS_AGGR_IMPL_H */ 249